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Rochester Electronics

📍 Newburyport, Massachusetts, USA📅 Est. 1981🔗 Official Site →

Rochester Electronics is the world's largest authorized distributor of end-of-life (EOL) semiconductors, providing a continuous source of supply for critical applications. Rochester is authorized by over 70 semiconductor manufacturers to continue the supply of their discontinued products with full manufacturer quality and traceability.

106,490
Total Parts
75,392
In Stock
101
Categories
75,398
Active
30,906
EOL/Obsolete

Key Product Lines

End-of-Life SemiconductorsObsolete ComponentsLicensed ManufacturingLong-Term SupplyDrop-In ReplacementsMilitary/Aerospace Grade

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Rochester Electronics authorized parts available through FPGACenter. Military and aerospace obsolete components with full traceability.

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Rochester Electronics Product Categories

Microcontrollers (MCU) (9283)Op Amps & Instrumentation Amplifiers (6708)Specialized ICs (6550)Buffers, Drivers, Receivers & Transceivers (6085)Gates & Inverters (5995)Linear Regulators (LDO) (5541)Drivers, Receivers & Transceivers (5534)SRAM (4418)Supervisors & Reset ICs (4368)ADC - Analog to Digital Converters (3457)Signal Switches, MUX & Decoders (3324)DAC - Digital to Analog Converters (2917)Flip-Flops (2474)Analog Switches & Multiplexers (2152)DC-DC Switching Controllers (1924)DC-DC Switching Regulators (1829)Clock Generators, PLLs & Synthesizers (1550)DSP - Digital Signal Processors (1474)Voltage References (1430)Counters & Dividers (1410)Microprocessors (MPU) (1145)EEPROM (1096)Shift Registers (1011)Specialized Power Management (1007)General Memory ICs (993)Digital Potentiometers (984)Audio Amplifiers (948)Gate Drivers (899)Latches (899)FPGAs (783)Telecom ICs (779)FIFO Memory (747)Power Distribution Switches (653)Interface Controllers (651)Analog Comparators (636)PLDs - Programmable Logic Devices (604)Linear Regulator Controllers (581)AC-DC Converters & Offline Switchers (574)Special Purpose ICs (570)ADC/DAC - Special Purpose (555)CPLDs (540)LED Drivers (540)Motor Drivers & Controllers (534)Flash Memory (476)Translators & Level Shifters (467)Specialty Logic (448)Video Processing ICs (414)Clock Buffers & Drivers (407)Delay Lines (389)Battery Management ICs (372)Audio Special Purpose ICs (370)Video Amplifiers (365)Logic Comparators (306)Analog Switches - Special Purpose (301)Hot Swap Controllers (270)Display Drivers (268)Audio CODECs (251)Encoders, Decoders & Converters (245)Battery Chargers (243)Special Purpose Amplifiers (228)Real-Time Clocks (RTC) (218)UARTs (217)Programmable Timers & Oscillators (217)Active Filters (213)Multivibrators (207)PFC Controllers (194)Power Supply Controllers & Monitors (193)Full & Half-Bridge Drivers (178)Analog Multipliers & Dividers (177)I/O Expanders (175)ROM & NVRAM (171)Parity Generators & Checkers (170)Serializers & Deserializers (164)Sensor & Detector Interfaces (160)Application Specific Processors (155)Linear & Switching Controllers (142)Analog Front End (AFE) (135)Modems (128)Universal Bus Functions (121)EPROM (107)Lighting & Ballast Controllers (103)Thermal Management ICs (102)Signal Terminators (96)System On Chip (SoC) (91)Current Regulation & Management (84)Energy Metering ICs (72)RMS to DC Converters (60)Configuration PROMs for FPGAs (52)Touch Screen Controllers (51)Capacitive Touch Sensors (51)FRAM & MRAM (50)Laser Drivers (48)Signal Buffers, Repeaters & Splitters (47)PoE Controllers (39)V/F and F/V Converters (35)Direct Digital Synthesis (DDS) (32)DRAM & SDRAM (27)OR Controllers & Ideal Diodes (24)MCU, MPU & FPGA Modules (5)Voice Record & Playback (5)Interface Modules (2)

All Rochester Electronics Products

Page 4939 of 5325
Part NumberCategoryDescriptionPackageStockPriceStatus
TLC1542IDWADC - Analog to Digital ConvertersThe TLC1542IDW is a switching converter manufactured by Rochester Electronics. Technical highlights include -40°C ~ 85°C operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 20-SOIC (0.295", 7.50mm Width) package and is rated for operation across -40°C ~ 85°C. Designed for instrumentation, medical devices, and audio systems applications, the TLC1542IDW is currently in active production through Rochester Electronics's standard distribution channels.20-SOIC (0.295", 7.50mm Width)1,757 In Stock$13.65ACTIVERFQ
TLC1542INADC - Analog to Digital ConvertersThe TLC1542IN is a switching converter manufactured by Rochester Electronics. Technical highlights include -40°C ~ 85°C operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a 20-DIP (0.300", 7.62mm) package and is rated for operation across -40°C ~ 85°C. Designed for instrumentation, medical devices, and audio systems applications, the TLC1542IN is currently in active production through Rochester Electronics's standard distribution channels.20-DIP (0.300", 7.62mm)40,530 In Stock$13.53ACTIVERFQ
TLC1542INE4ADC - Analog to Digital ConvertersThe TLC1542INE4 is a switching converter manufactured by Rochester Electronics. Design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for instrumentation, medical devices, and audio systems applications, the TLC1542INE4 is currently in active production through Rochester Electronics's standard distribution channels.1,520 In Stock$82.25ACTIVERFQ
TLC1542QFNADC - Analog to Digital ConvertersThe TLC1542QFN is a switching converter manufactured by Rochester Electronics. Technical highlights include -40°C ~ 85°C operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 20-LCC (J-Lead) package and is rated for operation across -40°C ~ 85°C. Designed for instrumentation, medical devices, and audio systems applications, the TLC1542QFN is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.20-LCC (J-Lead)RFQ for sourcing$4.61OBSOLETERFQ
TLC1543CDWADC - Analog to Digital ConvertersThe TLC1543CDW is a switching converter manufactured by Rochester Electronics. Technical highlights include 0°C ~ 70°C operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 20-SOIC (0.295", 7.50mm Width) package and is rated for operation across 0°C ~ 70°C. Designed for instrumentation, medical devices, and audio systems applications, the TLC1543CDW is currently in active production through Rochester Electronics's standard distribution channels.20-SOIC (0.295", 7.50mm Width)2,154 In Stock$10.59ACTIVERFQ
TLC1543CFNADC - Analog to Digital ConvertersThe TLC1543CFN is a switching converter manufactured by Rochester Electronics. Technical highlights include 0°C ~ 70°C operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 20-LCC (J-Lead) package and is rated for operation across 0°C ~ 70°C. Designed for instrumentation, medical devices, and audio systems applications, the TLC1543CFN is currently in active production through Rochester Electronics's standard distribution channels.20-LCC (J-Lead)13,265 In Stock$4.74ACTIVERFQ
TLC1543IFNADC - Analog to Digital ConvertersThe TLC1543IFN is a switching converter manufactured by Rochester Electronics. Technical highlights include -40°C ~ 85°C operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 20-LCC (J-Lead) package and is rated for operation across -40°C ~ 85°C. Designed for instrumentation, medical devices, and audio systems applications, the TLC1543IFN is currently in active production through Rochester Electronics's standard distribution channels.20-LCC (J-Lead)24,622 In Stock$3.84ACTIVERFQ
TLC1543INE4ADC - Analog to Digital ConvertersThe TLC1543INE4 is a switching converter manufactured by Rochester Electronics. Technical highlights include -40°C ~ 85°C operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a 20-DIP (0.300", 7.62mm) package and is rated for operation across -40°C ~ 85°C. Designed for instrumentation, medical devices, and audio systems applications, the TLC1543INE4 is currently in active production through Rochester Electronics's standard distribution channels.20-DIP (0.300", 7.62mm)1,511 In Stock$9.48ACTIVERFQ
TLC1543QDBADC - Analog to Digital ConvertersThe TLC1543QDB is a switching converter manufactured by Rochester Electronics. Technical highlights include -40°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 20-SSOP (0.209", 5.30mm Width) package and is rated for operation across -40°C ~ 125°C. Designed for instrumentation, medical devices, and audio systems applications, the TLC1543QDB is currently in active production through Rochester Electronics's standard distribution channels.20-SSOP (0.209", 5.30mm Width)27,042 In Stock$5.30ACTIVERFQ
TLC1543QDBG4ADC - Analog to Digital ConvertersThe TLC1543QDBG4 is a switching converter manufactured by Rochester Electronics. Technical highlights include -40°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 20-SSOP (0.209", 5.30mm Width) package and is rated for operation across -40°C ~ 125°C. Designed for instrumentation, medical devices, and audio systems applications, the TLC1543QDBG4 is currently in active production through Rochester Electronics's standard distribution channels.20-SSOP (0.209", 5.30mm Width)14,196 In Stock$4.76ACTIVERFQ
TLC1543QDWG4ADC - Analog to Digital ConvertersThe TLC1543QDWG4 is a switching converter manufactured by Rochester Electronics. Technical highlights include -40°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 20-SOIC (0.295", 7.50mm Width) package and is rated for operation across -40°C ~ 125°C. Designed for instrumentation, medical devices, and audio systems applications, the TLC1543QDWG4 is currently in active production through Rochester Electronics's standard distribution channels.20-SOIC (0.295", 7.50mm Width)1,501 In Stock$9.44ACTIVERFQ
TLC1543QFNADC - Analog to Digital ConvertersThe TLC1543QFN is a switching converter manufactured by Rochester Electronics. Technical highlights include -40°C ~ 125°C operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 20-LCC (J-Lead) package and is rated for operation across -40°C ~ 125°C. Designed for instrumentation, medical devices, and audio systems applications, the TLC1543QFN is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.20-LCC (J-Lead)RFQ for sourcing$3.40OBSOLETERFQ
TLC1549IPADC - Analog to Digital ConvertersThe TLC1549IP is a switching converter manufactured by Rochester Electronics. Technical highlights include -40°C ~ 85°C operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Through Hole component is supplied in a 8-DIP (0.300", 7.62mm) package and is rated for operation across -40°C ~ 85°C. Designed for instrumentation, medical devices, and audio systems applications, the TLC1549IP is currently in active production through Rochester Electronics's standard distribution channels.8-DIP (0.300", 7.62mm)1,512 In Stock$78.90ACTIVERFQ
TLC1550IDWADC - Analog to Digital ConvertersThe TLC1550IDW is a switching converter manufactured by Rochester Electronics. Technical highlights include -40°C ~ 85°C operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 24-SOIC (0.295", 7.50mm Width) package and is rated for operation across -40°C ~ 85°C. Designed for instrumentation, medical devices, and audio systems applications, the TLC1550IDW is currently in active production through Rochester Electronics's standard distribution channels.24-SOIC (0.295", 7.50mm Width)7,547 In Stock$10.67ACTIVERFQ
TLC1550IFNADC - Analog to Digital ConvertersThe TLC1550IFN is a switching converter manufactured by Rochester Electronics. Technical highlights include -40°C ~ 85°C operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 28-LCC (J-Lead) package and is rated for operation across -40°C ~ 85°C. Designed for instrumentation, medical devices, and audio systems applications, the TLC1550IFN is currently in active production through Rochester Electronics's standard distribution channels.28-LCC (J-Lead)18,690 In Stock$10.35ACTIVERFQ
TLC1551IDWADC - Analog to Digital ConvertersThe TLC1551IDW is a switching converter manufactured by Rochester Electronics. Technical highlights include -40°C ~ 85°C operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 24-SOIC (0.295", 7.50mm Width) package and is rated for operation across -40°C ~ 85°C. Designed for instrumentation, medical devices, and audio systems applications, the TLC1551IDW is currently in active production through Rochester Electronics's standard distribution channels.24-SOIC (0.295", 7.50mm Width)6,013 In Stock$7.30ACTIVERFQ
TLC1551IFNADC - Analog to Digital ConvertersThe TLC1551IFN is a switching converter manufactured by Rochester Electronics. Technical highlights include -40°C ~ 85°C operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 28-LCC (J-Lead) package and is rated for operation across -40°C ~ 85°C. Designed for instrumentation, medical devices, and audio systems applications, the TLC1551IFN is currently in active production through Rochester Electronics's standard distribution channels.28-LCC (J-Lead)24,785 In Stock$6.64ACTIVERFQ
TLC16C550BIPTSpecialized ICsThe TLC16C550BIPT is a specialized telecom IC manufactured by Rochester Electronics. Design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the TLC16C550BIPT is currently in active production through Rochester Electronics's standard distribution channels.1,658 In StockRFQACTIVERFQ
TLC193MJGBAnalog ComparatorsThe TLC193MJGB is an analog comparator manufactured by Rochester Electronics. Design review should confirm ADC or DAC signal-chain requirements, channel count, resolution, supply voltage, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for instrumentation, medical devices, and audio systems applications, the TLC193MJGB is currently in active production through Rochester Electronics's standard distribution channels.1,971 In Stock$16.52ACTIVERFQ
TLC2071IDSpecialized ICsThe TLC2071ID is a specialized telecom IC manufactured by Rochester Electronics. Design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the TLC2071ID is currently in active production through Rochester Electronics's standard distribution channels.1,197 In StockRFQACTIVERFQ

Frequently Asked Questions

Where can I buy Rochester Electronics electronic components?

FPGACenter lists 106,490 Rochester Electronics part numbers with 75,392 currently in stock. Submit an RFQ for availability, lead time, and pricing.

Can I still get obsolete Rochester Electronics parts?

Yes. FPGACenter specializes in sourcing hard-to-find and obsolete components. We have 30,906 end-of-life/obsolete Rochester Electronics part numbers in our database, many available from verified stock or through our global sourcing network.

What types of Rochester Electronics products does FPGACenter carry?

We list Rochester Electronics products across 101 categories including End-of-Life Semiconductors, Obsolete Components, Licensed Manufacturing, Long-Term Supply. Browse our full catalog or contact our sourcing team for any specific Rochester Electronics part number.

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